September 27, 1946.

Dear Francis:
this

I am sending, under mayuoks cover, a drat manuscript of our paper on
recombination in %. coli, “e would appreciate it very mich if you would look
it over and offer your criticisi:s. ‘‘e are algo particularly anxious to have
Dr. thoades read it. “ould you ask him to do so on our behalf?

Y¥10 is giving a little troubke again: I think the stock I was testing is the
old one. “hen I have succeeded in checking the requiresents for threonin,
leucine and thiamine, I'll send you the trensfer. In the meantime, it would probably
be 2ll right to use 679-680, wouldn't it, especially for checking the general
method?

Sincerely ,

P.S. I know the manuscript is in fairly rough shape, particularly the bibliography.
We anticipated changes at your suggestion, and the secretary here is rather tired
of it. Our apologies,